Home / 3,291.63-4,541.28-2,113.35

Finding the Fourth Proportional to 3,291.63, 4,541.28 and 2,113.35

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Solution

The fourth proportional to 3,291.63, 4,541.28 and 2,113.35 is: 2,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.63 : 4,541.28 = 2,113.35 : x
  2. Step 2: Convert to fraction form
    3,291.63/4,541.28 = 2,113.35/x
  3. Step 3: Cross multiply
    3,291.63x = 4,541.28 × 2,113.35
  4. Step 4: Simplify right side
    3,291.63x = 9,597,314.09
  5. Step 5: Solve for x
    x = 9,597,314.09/3,291.63
  6. Step 6: Final answer
    x = 2,915.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.